diff --git a/sbin/upgrade_database.py b/sbin/upgrade_database.py
index 1a8993e..fef19b3 100755
--- a/sbin/upgrade_database.py
+++ b/sbin/upgrade_database.py
@@ -45,6 +45,11 @@ runner = "RUNNER_NOEXPORT=true RUNNER_IMPORT=true " + os.path.join(bin_path, "ru
 print(system_exports)
 os.system(system_exports)
 
+print(f"Terminate all sessions in {dbname}")
+cmd = f"psql -U {dbuser} -d {dbname} -c 'SELECT pg_terminate_backend(pid) FROM pg_stat_activity WHERE datname = current_database() AND pid <> pg_backend_pid();'"
+print(cmd)
+res = os.system(cmd)
+
 cmd = f"psql -U {dbuser} -d template1 -c 'DROP DATABASE {dbname};'"
 print(cmd)
 res = os.system(cmd)